结果1994～ 2 0 0 1年流动人口传染病发病率逐年上升，平均年发病率高于常住人口，发病占前三位的是病毒性肝炎、流行性出血热、痢疾。
Results From 1994 to 2001, the total rate in notifiable infectious diseases in floating population were increased year by year, and were higher than that of permanent residents.
接下来研究人员对受试者做了平均为4.9年的随访，在随访期间有270人患了癌症，癌症的发病率为4.4%。
The participants were then followed up for an average of 4.9 years, during which 270 individuals developed cancer, giving an incidence rate of 4.4%.
近10年来，随着生活水平的提高和平均寿命的延长，我国冠心病发病率正在逐年上升，而且还有年轻化的趋势。
In recent 10 years, with the raising of life quantity and the extending of the average longevity, Morbidity for CAD is gradually increasing with the trend of patients being young.
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